The yellowtail barracuda, Sphyraena flavicauda, a barracuda of the family Sphyraenidae, is found in Indo-West Pacific oceans. Its length is up to 60cm.
Its body has two brown or brownish-yellow longitudinal stripes which may disappear in old specimens; the caudal fin is yellowish. It is occasionally confused with the barracuda Sphyraena obtusata, but is more elongated.